Add Windows commandline switch --enable-views-textfield.

ui/views/events/event.h

Index: ui/views/events/event.h
diff --git a/ui/views/events/event.h b/ui/views/events/event.h
index 916bf671c9f187501387ba52dac5d766bfc31dc3..2447fb80c86151207c51d9ad8ef8356b7865c5fb 100644
--- a/ui/views/events/event.h
+++ b/ui/views/events/event.h
@@ -290,9 +290,7 @@ class VIEWS_EXPORT KeyEvent : public Event {
   // event from the host environment). This is typically only used in testing as
   // some metadata obtainable from the underlying native event is not present.
   // It's also used by input methods to fabricate keyboard events.
-  KeyEvent(ui::EventType type,
-           ui::KeyboardCode key_code,
-           int event_flags);
+  KeyEvent(ui::EventType type, ui::KeyboardCode key_code, int event_flags);
 
   ui::KeyboardCode key_code() const { return key_code_; }